<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>


{:captcha_img()}

<form action="/code/check" method="post">

    <input type="text" name="code"/>
    <input type="submit" value="submit"/>
</form>
</body>
</html>